Ethyl 2-chloro-5-(difluoromethyl)-3-methylpyridine-4-carboxylate
Ethyl 2-chloro-3-(chloromethyl)-6-(difluoromethyl)pyridine-5-carboxylate
3-Chloro-2-(difluoromethyl)-5-methylpyridine-6-acetic acid
Methyl 5-chloro-3-(chloromethyl)-2-(difluoromethyl)pyridine-4-carboxylate